Intel® Fortran Compiler 18.0 Developer Guide and Reference

INQUIRE: BLOCKSIZE Specifier

The BLOCKSIZE specifier asks about the physical I/O transfer size. It takes the following form:

BLOCKSIZE = bks

bks

Is a scalar integer variable.

The bks is assigned the current size of the physical I/O transfer. If the unit or file is not connected, the value assigned is zero.